Billion BiPAC 7800NEXL User Manual page 5

IPv6 supported
Internet Protocol version 6 (IPv6) is a version of the Internet Protocol that is designed to succeed
IPv4. IPv6 has a vastly larger address space than IPv4. This results from the use of a 128-bit
address, whereas IPv4 uses only 32 bits. The new address space thus supports 2128 (about
3.4×1038) addresses. This expansion provides flexibility in allocating addresses and routing traffic
and eliminates the primary need for network address translation (NAT), which gained widespread
deployment as an effort to alleviate IPv4 address exhaustion.
IPv6 also implements new features that simplify aspects of address assignment (stateless address
autoconfiguration) and network renumbering (prefix and router announcements) when changing
Internet connectivity providers. The IPv6 subnet size has been standardized by fixing the size of the
host identifier portion of an address to 64 bits to facilitate an automatic mechanism for forming the
host identifier from Link Layer media addressing information (MAC address).
Network security is integrated into the design of the IPv6 architecture. Internet Protocol Security
(IPsec) was originally developed for IPv6, but found widespread optional deployment first in IPv4
(into which it was back-engineered). The IPv6 specifications mandate IPsec implementation as a
fundamental interoperability requirement.
VLAN MUX
A Virtual LAN, commonly known as a VLAN, is a group of hosts with the common set of requirements
that communicate as if they were attached to the same broadcast domain, regardless of the physical
location. A VLAN has the same attributes as a physical LAN, but it allows for end stations to be
grouped together even if they are not located on the same network switch.
he most commonly used Virtual LAN is defined by 802.1Q tagging protocol, which expended the
T
original Ethernet frame header to include VLAN ID (tag) and priority bits. With the support of
network equipments, multiple virtual networks can coexist over the same physical network. Ethernet
frames are used to transfer data over ADSL line when bridging, MER or PPPoE mode is used.
While the DSL connection we usually configured is to use a PVC match a single service, PPPoE
PPPoA, bridging, etc. With the VLAN tag, we can make virtual interfaces to create multiple separate
WAN connections within the same PVC. It allows multiple services over the same PVC. The VLAN
Mux feature is designed for this purpose. For example, you have an ATM interface, PVC with
VPI/VCI 8/35, you can set the PPPoE, IPoE, and Bridge connection via the PVC without
respectively assigning the three services to three different PVCs.
Virtual AP
A "Virtual Access Point" is a logical entity that exists within a physical Access Point (AP). When a
single physical AP supports multiple "Virtual APs", each Virtual AP appears to stations (STAs) to be
an independent physical AP, even though only a single physical AP is present. For example,
multiple Virtual APs might exist within a single physical AP, each advertising a distinct SSID and
capability set. Alternatively, multiple Virtual APs might advertise the same SSID but a different
capability set – allowing access to be provided via Web Portal, WEP, and WPA simultaneously.
Where APs are shared by multiple providers, Virtual APs provide each provider with separate
authentication and accounting data for their users, as well as diagnostic information, without
sharing sensitive management traffic or data between providers. You can enable the virtual AP.
Web Based GUI
It supports web based GUI for configuration and management. It is user-friendly and comes with
online help. It also supports remote management capability for remote users to configure and
manage this product.
2